Home / 72,582.26-108,855.12-25,824.20

Finding the Fourth Proportional to 72,582.26, 108,855.12 and 25,824.20

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Solution

The fourth proportional to 72,582.26, 108,855.12 and 25,824.20 is: 38,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582.26 : 108,855.12 = 25,824.20 : x
  2. Step 2: Convert to fraction form
    72,582.26/108,855.12 = 25,824.20/x
  3. Step 3: Cross multiply
    72,582.26x = 108,855.12 × 25,824.20
  4. Step 4: Simplify right side
    72,582.26x = 2,811,096,389.90
  5. Step 5: Solve for x
    x = 2,811,096,389.90/72,582.26
  6. Step 6: Final answer
    x = 38,729.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.